source/libnet/libnet_join.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  libnet Join Support
   4  *  Copyright (C) Gerald (Jerry) Carter 2006
   5  *  Copyright (C) Guenther Deschner 2007-2008
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 3 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "includes.h"
  22 #include "libnet/libnet.h"
  23
  24 /****************************************************************
  25 ****************************************************************/
  26
  27 #define LIBNET_JOIN_DUMP_CTX(ctx, r, f) \
  28         do { \
  29                 char *str = NULL; \
  30                 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_JoinCtx, f, r); \
  31                 DEBUG(1,("libnet_Join:\n%s", str)); \
  32                 talloc_free(str); \
  33         } while (0)
  34
  35 #define LIBNET_JOIN_IN_DUMP_CTX(ctx, r) \
  36         LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
  37 #define LIBNET_JOIN_OUT_DUMP_CTX(ctx, r) \
  38         LIBNET_JOIN_DUMP_CTX(ctx, r, NDR_OUT)
  39
  40 #define LIBNET_UNJOIN_DUMP_CTX(ctx, r, f) \
  41         do { \
  42                 char *str = NULL; \
  43                 str = NDR_PRINT_FUNCTION_STRING(ctx, libnet_UnjoinCtx, f, r); \
  44                 DEBUG(1,("libnet_Unjoin:\n%s", str)); \
  45                 talloc_free(str); \
  46         } while (0)
  47
  48 #define LIBNET_UNJOIN_IN_DUMP_CTX(ctx, r) \
  49         LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_IN | NDR_SET_VALUES)
  50 #define LIBNET_UNJOIN_OUT_DUMP_CTX(ctx, r) \
  51         LIBNET_UNJOIN_DUMP_CTX(ctx, r, NDR_OUT)
  52
  53 /****************************************************************
  54 ****************************************************************/
  55
  56 static void libnet_join_set_error_string(TALLOC_CTX *mem_ctx,
  57                                          struct libnet_JoinCtx *r,
  58                                          const char *format, ...)
  59 {
  60         va_list args;
  61
  62         if (r->out.error_string) {
  63                 return;
  64         }
  65
  66         va_start(args, format);
  67         r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
  68         va_end(args);
  69 }
  70
  71 /****************************************************************
  72 ****************************************************************/
  73
  74 static void libnet_unjoin_set_error_string(TALLOC_CTX *mem_ctx,
  75                                            struct libnet_UnjoinCtx *r,
  76                                            const char *format, ...)
  77 {
  78         va_list args;
  79
  80         if (r->out.error_string) {
  81                 return;
  82         }
  83
  84         va_start(args, format);
  85         r->out.error_string = talloc_vasprintf(mem_ctx, format, args);
  86         va_end(args);
  87 }
  88
  89 #ifdef WITH_ADS
  90
  91 /****************************************************************
  92 ****************************************************************/
  93
  94 static ADS_STATUS libnet_connect_ads(const char *dns_domain_name,
  95                                      const char *netbios_domain_name,
  96                                      const char *dc_name,
  97                                      const char *user_name,
  98                                      const char *password,
  99                                      ADS_STRUCT **ads)
 100 {
 101         ADS_STATUS status;
 102         ADS_STRUCT *my_ads = NULL;
 103
 104         my_ads = ads_init(dns_domain_name,
 105                           netbios_domain_name,
 106                           dc_name);
 107         if (!my_ads) {
 108                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 109         }
 110
 111         if (user_name) {
 112                 SAFE_FREE(my_ads->auth.user_name);
 113                 my_ads->auth.user_name = SMB_STRDUP(user_name);
 114         }
 115
 116         if (password) {
 117                 SAFE_FREE(my_ads->auth.password);
 118                 my_ads->auth.password = SMB_STRDUP(password);
 119         }
 120
 121         status = ads_connect(my_ads);
 122         if (!ADS_ERR_OK(status)) {
 123                 ads_destroy(&my_ads);
 124                 return status;
 125         }
 126
 127         *ads = my_ads;
 128         return ADS_SUCCESS;
 129 }
 130
 131 /****************************************************************
 132 ****************************************************************/
 133
 134 static ADS_STATUS libnet_join_connect_ads(TALLOC_CTX *mem_ctx,
 135                                           struct libnet_JoinCtx *r)
 136 {
 137         ADS_STATUS status;
 138
 139         status = libnet_connect_ads(r->in.domain_name,
 140                                     r->in.domain_name,
 141                                     r->in.dc_name,
 142                                     r->in.admin_account,
 143                                     r->in.admin_password,
 144                                     &r->in.ads);
 145         if (!ADS_ERR_OK(status)) {
 146                 libnet_join_set_error_string(mem_ctx, r,
 147                         "failed to connect to AD: %s",
 148                         ads_errstr(status));
 149         }
 150
 151         return status;
 152 }
 153
 154 /****************************************************************
 155 ****************************************************************/
 156
 157 static ADS_STATUS libnet_unjoin_connect_ads(TALLOC_CTX *mem_ctx,
 158                                             struct libnet_UnjoinCtx *r)
 159 {
 160         ADS_STATUS status;
 161
 162         status = libnet_connect_ads(r->in.domain_name,
 163                                     r->in.domain_name,
 164                                     r->in.dc_name,
 165                                     r->in.admin_account,
 166                                     r->in.admin_password,
 167                                     &r->in.ads);
 168         if (!ADS_ERR_OK(status)) {
 169                 libnet_unjoin_set_error_string(mem_ctx, r,
 170                         "failed to connect to AD: %s",
 171                         ads_errstr(status));
 172         }
 173
 174         return status;
 175 }
 176
 177 /****************************************************************
 178 ****************************************************************/
 179
 180 static ADS_STATUS libnet_join_precreate_machine_acct(TALLOC_CTX *mem_ctx,
 181                                                      struct libnet_JoinCtx *r)
 182 {
 183         ADS_STATUS status;
 184         LDAPMessage *res = NULL;
 185         const char *attrs[] = { "dn", NULL };
 186
 187         status = ads_search_dn(r->in.ads, &res, r->in.account_ou, attrs);
 188         if (!ADS_ERR_OK(status)) {
 189                 return status;
 190         }
 191
 192         if (ads_count_replies(r->in.ads, res) != 1) {
 193                 ads_msgfree(r->in.ads, res);
 194                 return ADS_ERROR_LDAP(LDAP_NO_SUCH_OBJECT);
 195         }
 196
 197         status = ads_create_machine_acct(r->in.ads,
 198                                          r->in.machine_name,
 199                                          r->in.account_ou);
 200         ads_msgfree(r->in.ads, res);
 201
 202         if ((status.error_type == ENUM_ADS_ERROR_LDAP) &&
 203             (status.err.rc == LDAP_ALREADY_EXISTS)) {
 204                 status = ADS_SUCCESS;
 205         }
 206
 207         return status;
 208 }
 209
 210 /****************************************************************
 211 ****************************************************************/
 212
 213 static ADS_STATUS libnet_unjoin_remove_machine_acct(TALLOC_CTX *mem_ctx,
 214                                                     struct libnet_UnjoinCtx *r)
 215 {
 216         ADS_STATUS status;
 217
 218         if (!r->in.ads) {
 219                 status = libnet_unjoin_connect_ads(mem_ctx, r);
 220                 if (!ADS_ERR_OK(status)) {
 221                         return status;
 222                 }
 223         }
 224
 225         status = ads_leave_realm(r->in.ads, r->in.machine_name);
 226         if (!ADS_ERR_OK(status)) {
 227                 libnet_unjoin_set_error_string(mem_ctx, r,
 228                         "failed to leave realm: %s",
 229                         ads_errstr(status));
 230                 return status;
 231         }
 232
 233         return ADS_SUCCESS;
 234 }
 235
 236 /****************************************************************
 237 ****************************************************************/
 238
 239 static ADS_STATUS libnet_join_find_machine_acct(TALLOC_CTX *mem_ctx,
 240                                                 struct libnet_JoinCtx *r)
 241 {
 242         ADS_STATUS status;
 243         LDAPMessage *res = NULL;
 244         char *dn = NULL;
 245
 246         if (!r->in.machine_name) {
 247                 return ADS_ERROR(LDAP_NO_MEMORY);
 248         }
 249
 250         status = ads_find_machine_acct(r->in.ads,
 251                                        &res,
 252                                        r->in.machine_name);
 253         if (!ADS_ERR_OK(status)) {
 254                 return status;
 255         }
 256
 257         if (ads_count_replies(r->in.ads, res) != 1) {
 258                 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 259                 goto done;
 260         }
 261
 262         dn = ads_get_dn(r->in.ads, res);
 263         if (!dn) {
 264                 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 265                 goto done;
 266         }
 267
 268         r->out.dn = talloc_strdup(mem_ctx, dn);
 269         if (!r->out.dn) {
 270                 status = ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 271                 goto done;
 272         }
 273
 274  done:
 275         ads_msgfree(r->in.ads, res);
 276         ads_memfree(r->in.ads, dn);
 277
 278         return status;
 279 }
 280
 281 /****************************************************************
 282 ****************************************************************/
 283
 284 static ADS_STATUS libnet_join_set_machine_spn(TALLOC_CTX *mem_ctx,
 285                                               struct libnet_JoinCtx *r)
 286 {
 287         ADS_STATUS status;
 288         ADS_MODLIST mods;
 289         fstring my_fqdn;
 290         const char *spn_array[3] = {NULL, NULL, NULL};
 291         char *spn = NULL;
 292
 293         if (!r->in.ads) {
 294                 status = libnet_join_connect_ads(mem_ctx, r);
 295                 if (!ADS_ERR_OK(status)) {
 296                         return status;
 297                 }
 298         }
 299
 300         status = libnet_join_find_machine_acct(mem_ctx, r);
 301         if (!ADS_ERR_OK(status)) {
 302                 return status;
 303         }
 304
 305         spn = talloc_asprintf(mem_ctx, "HOST/%s", r->in.machine_name);
 306         if (!spn) {
 307                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 308         }
 309         strupper_m(spn);
 310         spn_array[0] = spn;
 311
 312         if (name_to_fqdn(my_fqdn, r->in.machine_name) &&
 313             !strequal(my_fqdn, r->in.machine_name)) {
 314
 315                 strlower_m(my_fqdn);
 316                 spn = talloc_asprintf(mem_ctx, "HOST/%s", my_fqdn);
 317                 if (!spn) {
 318                         return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 319                 }
 320                 spn_array[1] = spn;
 321         }
 322
 323         mods = ads_init_mods(mem_ctx);
 324         if (!mods) {
 325                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 326         }
 327
 328         status = ads_mod_str(mem_ctx, &mods, "dNSHostName", my_fqdn);
 329         if (!ADS_ERR_OK(status)) {
 330                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 331         }
 332
 333         status = ads_mod_strlist(mem_ctx, &mods, "servicePrincipalName",
 334                                  spn_array);
 335         if (!ADS_ERR_OK(status)) {
 336                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 337         }
 338
 339         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 340 }
 341
 342 /****************************************************************
 343 ****************************************************************/
 344
 345 static ADS_STATUS libnet_join_set_machine_upn(TALLOC_CTX *mem_ctx,
 346                                               struct libnet_JoinCtx *r)
 347 {
 348         ADS_STATUS status;
 349         ADS_MODLIST mods;
 350
 351         if (!r->in.create_upn) {
 352                 return ADS_SUCCESS;
 353         }
 354
 355         if (!r->in.ads) {
 356                 status = libnet_join_connect_ads(mem_ctx, r);
 357                 if (!ADS_ERR_OK(status)) {
 358                         return status;
 359                 }
 360         }
 361
 362         status = libnet_join_find_machine_acct(mem_ctx, r);
 363         if (!ADS_ERR_OK(status)) {
 364                 return status;
 365         }
 366
 367         if (!r->in.upn) {
 368                 r->in.upn = talloc_asprintf(mem_ctx,
 369                                             "host/%s@%s",
 370                                             r->in.machine_name,
 371                                             r->out.dns_domain_name);
 372                 if (!r->in.upn) {
 373                         return ADS_ERROR(LDAP_NO_MEMORY);
 374                 }
 375         }
 376
 377         mods = ads_init_mods(mem_ctx);
 378         if (!mods) {
 379                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 380         }
 381
 382         status = ads_mod_str(mem_ctx, &mods, "userPrincipalName", r->in.upn);
 383         if (!ADS_ERR_OK(status)) {
 384                 return ADS_ERROR_LDAP(LDAP_NO_MEMORY);
 385         }
 386
 387         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 388 }
 389
 390
 391 /****************************************************************
 392 ****************************************************************/
 393
 394 static ADS_STATUS libnet_join_set_os_attributes(TALLOC_CTX *mem_ctx,
 395                                                 struct libnet_JoinCtx *r)
 396 {
 397         ADS_STATUS status;
 398         ADS_MODLIST mods;
 399         char *os_sp = NULL;
 400
 401         if (!r->in.os_name || !r->in.os_version ) {
 402                 return ADS_SUCCESS;
 403         }
 404
 405         if (!r->in.ads) {
 406                 status = libnet_join_connect_ads(mem_ctx, r);
 407                 if (!ADS_ERR_OK(status)) {
 408                         return status;
 409                 }
 410         }
 411
 412         status = libnet_join_find_machine_acct(mem_ctx, r);
 413         if (!ADS_ERR_OK(status)) {
 414                 return status;
 415         }
 416
 417         mods = ads_init_mods(mem_ctx);
 418         if (!mods) {
 419                 return ADS_ERROR(LDAP_NO_MEMORY);
 420         }
 421
 422         os_sp = talloc_asprintf(mem_ctx, "Samba %s", SAMBA_VERSION_STRING);
 423         if (!os_sp) {
 424                 return ADS_ERROR(LDAP_NO_MEMORY);
 425         }
 426
 427         status = ads_mod_str(mem_ctx, &mods, "operatingSystem",
 428                              r->in.os_name);
 429         if (!ADS_ERR_OK(status)) {
 430                 return status;
 431         }
 432
 433         status = ads_mod_str(mem_ctx, &mods, "operatingSystemVersion",
 434                              r->in.os_version);
 435         if (!ADS_ERR_OK(status)) {
 436                 return status;
 437         }
 438
 439         status = ads_mod_str(mem_ctx, &mods, "operatingSystemServicePack",
 440                              os_sp);
 441         if (!ADS_ERR_OK(status)) {
 442                 return status;
 443         }
 444
 445         return ads_gen_mod(r->in.ads, r->out.dn, mods);
 446 }
 447
 448 /****************************************************************
 449 ****************************************************************/
 450
 451 static bool libnet_join_create_keytab(TALLOC_CTX *mem_ctx,
 452                                       struct libnet_JoinCtx *r)
 453 {
 454         if (!lp_use_kerberos_keytab()) {
 455                 return true;
 456         }
 457
 458         if (!ads_keytab_create_default(r->in.ads)) {
 459                 return false;
 460         }
 461
 462         return true;
 463 }
 464
 465 /****************************************************************
 466 ****************************************************************/
 467
 468 static bool libnet_join_derive_salting_principal(TALLOC_CTX *mem_ctx,
 469                                                  struct libnet_JoinCtx *r)
 470 {
 471         uint32_t domain_func;
 472         ADS_STATUS status;
 473         const char *salt = NULL;
 474         char *std_salt = NULL;
 475
 476         status = ads_domain_func_level(r->in.ads, &domain_func);
 477         if (!ADS_ERR_OK(status)) {
 478                 libnet_join_set_error_string(mem_ctx, r,
 479                         "failed to determine domain functional level: %s",
 480                         ads_errstr(status));
 481                 return false;
 482         }
 483
 484         std_salt = kerberos_standard_des_salt();
 485         if (!std_salt) {
 486                 libnet_join_set_error_string(mem_ctx, r,
 487                         "failed to obtain standard DES salt");
 488                 return false;
 489         }
 490
 491         salt = talloc_strdup(mem_ctx, std_salt);
 492         if (!salt) {
 493                 return false;
 494         }
 495
 496         SAFE_FREE(std_salt);
 497
 498         if (domain_func == DS_DOMAIN_FUNCTION_2000) {
 499                 char *upn;
 500
 501                 upn = ads_get_upn(r->in.ads, mem_ctx,
 502                                   r->in.machine_name);
 503                 if (upn) {
 504                         salt = talloc_strdup(mem_ctx, upn);
 505                         if (!salt) {
 506                                 return false;
 507                         }
 508                 }
 509         }
 510
 511         return kerberos_secrets_store_des_salt(salt);
 512 }
 513
 514 /****************************************************************
 515 ****************************************************************/
 516
 517 static ADS_STATUS libnet_join_post_processing_ads(TALLOC_CTX *mem_ctx,
 518                                                   struct libnet_JoinCtx *r)
 519 {
 520         ADS_STATUS status;
 521
 522         status = libnet_join_set_machine_spn(mem_ctx, r);
 523         if (!ADS_ERR_OK(status)) {
 524                 libnet_join_set_error_string(mem_ctx, r,
 525                         "failed to set machine spn: %s",
 526                         ads_errstr(status));
 527                 return status;
 528         }
 529
 530         status = libnet_join_set_os_attributes(mem_ctx, r);
 531         if (!ADS_ERR_OK(status)) {
 532                 libnet_join_set_error_string(mem_ctx, r,
 533                         "failed to set machine os attributes: %s",
 534                         ads_errstr(status));
 535                 return status;
 536         }
 537
 538         status = libnet_join_set_machine_upn(mem_ctx, r);
 539         if (!ADS_ERR_OK(status)) {
 540                 libnet_join_set_error_string(mem_ctx, r,
 541                         "failed to set machine upn: %s",
 542                         ads_errstr(status));
 543                 return status;
 544         }
 545
 546         if (!libnet_join_derive_salting_principal(mem_ctx, r)) {
 547                 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
 548         }
 549
 550         if (!libnet_join_create_keytab(mem_ctx, r)) {
 551                 libnet_join_set_error_string(mem_ctx, r,
 552                         "failed to create kerberos keytab");
 553                 return ADS_ERROR_NT(NT_STATUS_UNSUCCESSFUL);
 554         }
 555
 556         return ADS_SUCCESS;
 557 }
 558 #endif /* WITH_ADS */
 559
 560 /****************************************************************
 561 ****************************************************************/
 562
 563 static bool libnet_join_joindomain_store_secrets(TALLOC_CTX *mem_ctx,
 564                                                  struct libnet_JoinCtx *r)
 565 {
 566         if (!secrets_store_domain_sid(r->out.netbios_domain_name,
 567                                       r->out.domain_sid))
 568         {
 569                 return false;
 570         }
 571
 572         if (!secrets_store_machine_password(r->in.machine_password,
 573                                             r->out.netbios_domain_name,
 574                                             SEC_CHAN_WKSTA))
 575         {
 576                 return false;
 577         }
 578
 579         return true;
 580 }
 581
 582 /****************************************************************
 583 ****************************************************************/
 584
 585 static NTSTATUS libnet_join_joindomain_rpc(TALLOC_CTX *mem_ctx,
 586                                            struct libnet_JoinCtx *r)
 587 {
 588         struct cli_state *cli = NULL;
 589         struct rpc_pipe_client *pipe_hnd = NULL;
 590         POLICY_HND sam_pol, domain_pol, user_pol, lsa_pol;
 591         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 592         char *acct_name;
 593         const char *const_acct_name;
 594         uint32 user_rid;
 595         uint32 num_rids, *name_types, *user_rids;
 596         uint32 flags = 0x3e8;
 597         uint32 acb_info = ACB_WSTRUST;
 598         uint32 fields_present;
 599         uchar pwbuf[532];
 600         SAM_USERINFO_CTR ctr;
 601         SAM_USER_INFO_25 p25;
 602         const int infolevel = 25;
 603         struct MD5Context md5ctx;
 604         uchar md5buffer[16];
 605         DATA_BLOB digested_session_key;
 606         uchar md4_trust_password[16];
 607
 608         if (!r->in.machine_password) {
 609                 r->in.machine_password = talloc_strdup(mem_ctx, generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH));
 610                 NT_STATUS_HAVE_NO_MEMORY(r->in.machine_password);
 611         }
 612
 613         status = cli_full_connection(&cli, NULL,
 614                                      r->in.dc_name,
 615                                      NULL, 0,
 616                                      "IPC$", "IPC",
 617                                      r->in.admin_account,
 618                                      NULL,
 619                                      r->in.admin_password,
 620                                      0,
 621                                      Undefined, NULL);
 622
 623         if (!NT_STATUS_IS_OK(status)) {
 624                 goto done;
 625         }
 626
 627         pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_LSARPC, &status);
 628         if (!pipe_hnd) {
 629                 goto done;
 630         }
 631
 632         status = rpccli_lsa_open_policy(pipe_hnd, mem_ctx, True,
 633                                         SEC_RIGHTS_MAXIMUM_ALLOWED, &lsa_pol);
 634         if (!NT_STATUS_IS_OK(status)) {
 635                 goto done;
 636         }
 637
 638         status = rpccli_lsa_query_info_policy2(pipe_hnd, mem_ctx, &lsa_pol,
 639                                                12,
 640                                                &r->out.netbios_domain_name,
 641                                                &r->out.dns_domain_name,
 642                                                NULL,
 643                                                NULL,
 644                                                &r->out.domain_sid);
 645
 646         if (NT_STATUS_IS_OK(status)) {
 647                 r->out.domain_is_ad = true;
 648         }
 649
 650         if (!NT_STATUS_IS_OK(status)) {
 651                 status = rpccli_lsa_query_info_policy(pipe_hnd, mem_ctx, &lsa_pol,
 652                                                       5,
 653                                                       &r->out.netbios_domain_name,
 654                                                       &r->out.domain_sid);
 655                 if (!NT_STATUS_IS_OK(status)) {
 656                         goto done;
 657                 }
 658         }
 659
 660         rpccli_lsa_Close(pipe_hnd, mem_ctx, &lsa_pol);
 661         cli_rpc_pipe_close(pipe_hnd);
 662
 663         pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
 664         if (!pipe_hnd) {
 665                 goto done;
 666         }
 667
 668         status = rpccli_samr_connect(pipe_hnd, mem_ctx,
 669                                      SEC_RIGHTS_MAXIMUM_ALLOWED, &sam_pol);
 670         if (!NT_STATUS_IS_OK(status)) {
 671                 goto done;
 672         }
 673
 674         status = rpccli_samr_open_domain(pipe_hnd, mem_ctx, &sam_pol,
 675                                          SEC_RIGHTS_MAXIMUM_ALLOWED,
 676                                          r->out.domain_sid,
 677                                          &domain_pol);
 678         if (!NT_STATUS_IS_OK(status)) {
 679                 goto done;
 680         }
 681
 682         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
 683         strlower_m(acct_name);
 684         const_acct_name = acct_name;
 685
 686         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE) {
 687                 status = rpccli_samr_create_dom_user(pipe_hnd, mem_ctx,
 688                                                      &domain_pol,
 689                                                      acct_name, ACB_WSTRUST,
 690                                                      0xe005000b, &user_pol,
 691                                                      &user_rid);
 692                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
 693                         if (!(r->in.join_flags &
 694                               WKSSVC_JOIN_FLAGS_DOMAIN_JOIN_IF_JOINED)) {
 695                                 goto done;
 696                         }
 697                 }
 698
 699                 if (NT_STATUS_IS_OK(status)) {
 700                         rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
 701                 }
 702         }
 703
 704         status = rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
 705                                           &domain_pol, flags, 1,
 706                                           &const_acct_name,
 707                                           &num_rids, &user_rids, &name_types);
 708         if (!NT_STATUS_IS_OK(status)) {
 709                 goto done;
 710         }
 711
 712         if (name_types[0] != SID_NAME_USER) {
 713                 status = NT_STATUS_INVALID_WORKSTATION;
 714                 goto done;
 715         }
 716
 717         user_rid = user_rids[0];
 718
 719         status = rpccli_samr_open_user(pipe_hnd, mem_ctx, &domain_pol,
 720                                        SEC_RIGHTS_MAXIMUM_ALLOWED, user_rid,
 721                                        &user_pol);
 722         if (!NT_STATUS_IS_OK(status)) {
 723                 goto done;
 724         }
 725
 726         E_md4hash(r->in.machine_password, md4_trust_password);
 727         encode_pw_buffer(pwbuf, r->in.machine_password, STR_UNICODE);
 728
 729         generate_random_buffer((uint8*)md5buffer, sizeof(md5buffer));
 730         digested_session_key = data_blob_talloc(mem_ctx, 0, 16);
 731
 732         MD5Init(&md5ctx);
 733         MD5Update(&md5ctx, md5buffer, sizeof(md5buffer));
 734         MD5Update(&md5ctx, cli->user_session_key.data,
 735                   cli->user_session_key.length);
 736         MD5Final(digested_session_key.data, &md5ctx);
 737
 738         SamOEMhashBlob(pwbuf, sizeof(pwbuf), &digested_session_key);
 739         memcpy(&pwbuf[516], md5buffer, sizeof(md5buffer));
 740
 741         acb_info |= ACB_PWNOEXP;
 742         if (r->out.domain_is_ad) {
 743 #if !defined(ENCTYPE_ARCFOUR_HMAC)
 744                 acb_info |= ACB_USE_DES_KEY_ONLY;
 745 #endif
 746                 ;;
 747         }
 748
 749         ZERO_STRUCT(ctr);
 750         ZERO_STRUCT(p25);
 751
 752         fields_present = ACCT_NT_PWD_SET | ACCT_LM_PWD_SET | ACCT_FLAGS;
 753         init_sam_user_info25P(&p25, fields_present, acb_info, (char *)pwbuf);
 754
 755         ctr.switch_value = infolevel;
 756         ctr.info.id25    = &p25;
 757
 758         status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol,
 759                                            infolevel, &cli->user_session_key,
 760                                            &ctr);
 761         if (!NT_STATUS_IS_OK(status)) {
 762                 goto done;
 763         }
 764
 765         rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
 766         cli_rpc_pipe_close(pipe_hnd);
 767
 768         status = NT_STATUS_OK;
 769  done:
 770         if (cli) {
 771                 cli_shutdown(cli);
 772         }
 773
 774         return status;
 775 }
 776
 777 /****************************************************************
 778 ****************************************************************/
 779
 780 static bool libnet_join_unjoindomain_remove_secrets(TALLOC_CTX *mem_ctx,
 781                                                     struct libnet_UnjoinCtx *r)
 782 {
 783         if (!secrets_delete_machine_password_ex(lp_workgroup())) {
 784                 return false;
 785         }
 786
 787         if (!secrets_delete_domain_sid(lp_workgroup())) {
 788                 return false;
 789         }
 790
 791         return true;
 792 }
 793
 794 /****************************************************************
 795 ****************************************************************/
 796
 797 static NTSTATUS libnet_join_unjoindomain_rpc(TALLOC_CTX *mem_ctx,
 798                                              struct libnet_UnjoinCtx *r)
 799 {
 800         struct cli_state *cli = NULL;
 801         struct rpc_pipe_client *pipe_hnd = NULL;
 802         POLICY_HND sam_pol, domain_pol, user_pol;
 803         NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
 804         char *acct_name;
 805         uint32 flags = 0x3e8;
 806         const char *const_acct_name;
 807         uint32 user_rid;
 808         uint32 num_rids, *name_types, *user_rids;
 809         SAM_USERINFO_CTR ctr, *qctr = NULL;
 810         SAM_USER_INFO_16 p16;
 811
 812         status = cli_full_connection(&cli, NULL,
 813                                      r->in.dc_name,
 814                                      NULL, 0,
 815                                      "IPC$", "IPC",
 816                                      r->in.admin_account,
 817                                      NULL,
 818                                      r->in.admin_password,
 819                                      0, Undefined, NULL);
 820
 821         if (!NT_STATUS_IS_OK(status)) {
 822                 goto done;
 823         }
 824
 825         pipe_hnd = cli_rpc_pipe_open_noauth(cli, PI_SAMR, &status);
 826         if (!pipe_hnd) {
 827                 goto done;
 828         }
 829
 830         status = rpccli_samr_connect(pipe_hnd, mem_ctx,
 831                                      SEC_RIGHTS_MAXIMUM_ALLOWED, &sam_pol);
 832         if (!NT_STATUS_IS_OK(status)) {
 833                 goto done;
 834         }
 835
 836         status = rpccli_samr_open_domain(pipe_hnd, mem_ctx, &sam_pol,
 837                                          SEC_RIGHTS_MAXIMUM_ALLOWED,
 838                                          r->in.domain_sid,
 839                                          &domain_pol);
 840         if (!NT_STATUS_IS_OK(status)) {
 841                 goto done;
 842         }
 843
 844         acct_name = talloc_asprintf(mem_ctx, "%s$", r->in.machine_name);
 845         strlower_m(acct_name);
 846         const_acct_name = acct_name;
 847
 848         status = rpccli_samr_lookup_names(pipe_hnd, mem_ctx,
 849                                           &domain_pol, flags, 1,
 850                                           &const_acct_name,
 851                                           &num_rids, &user_rids, &name_types);
 852         if (!NT_STATUS_IS_OK(status)) {
 853                 goto done;
 854         }
 855
 856         if (name_types[0] != SID_NAME_USER) {
 857                 status = NT_STATUS_INVALID_WORKSTATION;
 858                 goto done;
 859         }
 860
 861         user_rid = user_rids[0];
 862
 863         status = rpccli_samr_open_user(pipe_hnd, mem_ctx, &domain_pol,
 864                                        SEC_RIGHTS_MAXIMUM_ALLOWED,
 865                                        user_rid, &user_pol);
 866         if (!NT_STATUS_IS_OK(status)) {
 867                 goto done;
 868         }
 869
 870         status = rpccli_samr_query_userinfo(pipe_hnd, mem_ctx,
 871                                             &user_pol, 16, &qctr);
 872         if (!NT_STATUS_IS_OK(status)) {
 873                 rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
 874                 goto done;
 875         }
 876
 877         ZERO_STRUCT(ctr);
 878         ctr.switch_value = 16;
 879         ctr.info.id16 = &p16;
 880
 881         p16.acb_info = qctr->info.id16->acb_info | ACB_DISABLED;
 882
 883         status = rpccli_samr_set_userinfo2(pipe_hnd, mem_ctx, &user_pol, 16,
 884                                            &cli->user_session_key, &ctr);
 885
 886         rpccli_samr_close(pipe_hnd, mem_ctx, &user_pol);
 887
 888 done:
 889         if (pipe_hnd) {
 890                 rpccli_samr_close(pipe_hnd, mem_ctx, &domain_pol);
 891                 rpccli_samr_close(pipe_hnd, mem_ctx, &sam_pol);
 892                 cli_rpc_pipe_close(pipe_hnd);
 893         }
 894
 895         if (cli) {
 896                 cli_shutdown(cli);
 897         }
 898
 899         return status;
 900 }
 901
 902 /****************************************************************
 903 ****************************************************************/
 904
 905 static WERROR do_join_modify_vals_config(struct libnet_JoinCtx *r)
 906 {
 907         WERROR werr;
 908         struct libnet_conf_ctx *ctx;
 909
 910         werr = libnet_conf_open(r, &ctx);
 911         if (!W_ERROR_IS_OK(werr)) {
 912                 goto done;
 913         }
 914
 915         if (!(r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE)) {
 916
 917                 werr = libnet_conf_set_global_parameter(ctx, "security", "user");
 918                 if (!W_ERROR_IS_OK(werr)) {
 919                         goto done;
 920                 }
 921
 922                 werr = libnet_conf_set_global_parameter(ctx, "workgroup",
 923                                                         r->in.domain_name);
 924                 goto done;
 925         }
 926
 927         werr = libnet_conf_set_global_parameter(ctx, "security", "domain");
 928         if (!W_ERROR_IS_OK(werr)) {
 929                 goto done;
 930         }
 931
 932         werr = libnet_conf_set_global_parameter(ctx, "workgroup",
 933                                                 r->out.netbios_domain_name);
 934         if (!W_ERROR_IS_OK(werr)) {
 935                 goto done;
 936         }
 937
 938         if (r->out.domain_is_ad) {
 939                 werr = libnet_conf_set_global_parameter(ctx, "security", "ads");
 940                 if (!W_ERROR_IS_OK(werr)) {
 941                         goto done;
 942                 }
 943
 944                 werr = libnet_conf_set_global_parameter(ctx, "realm",
 945                                                         r->out.dns_domain_name);
 946         }
 947
 948 done:
 949         libnet_conf_close(ctx);
 950         return werr;
 951 }
 952
 953 /****************************************************************
 954 ****************************************************************/
 955
 956 static WERROR do_unjoin_modify_vals_config(struct libnet_UnjoinCtx *r)
 957 {
 958         WERROR werr = WERR_OK;
 959         struct libnet_conf_ctx *ctx;
 960
 961         werr = libnet_conf_open(r, &ctx);
 962         if (!W_ERROR_IS_OK(werr)) {
 963                 goto done;
 964         }
 965
 966         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
 967
 968                 werr = libnet_conf_set_global_parameter(ctx, "security", "user");
 969                 if (!W_ERROR_IS_OK(werr)) {
 970                         goto done;
 971                 }
 972         }
 973
 974         libnet_conf_delete_global_parameter(ctx, "realm");
 975
 976 done:
 977         libnet_conf_close(ctx);
 978         return werr;
 979 }
 980
 981 /****************************************************************
 982 ****************************************************************/
 983
 984 static WERROR do_JoinConfig(struct libnet_JoinCtx *r)
 985 {
 986         WERROR werr;
 987
 988         if (!W_ERROR_IS_OK(r->out.result)) {
 989                 return r->out.result;
 990         }
 991
 992         if (!r->in.modify_config) {
 993                 return WERR_OK;
 994         }
 995
 996         werr = do_join_modify_vals_config(r);
 997         if (!W_ERROR_IS_OK(werr)) {
 998                 return werr;
 999         }
1000
1001         r->out.modified_config = true;
1002         r->out.result = werr;
1003
1004         return werr;
1005 }
1006
1007 /****************************************************************
1008 ****************************************************************/
1009
1010 static WERROR do_UnjoinConfig(struct libnet_UnjoinCtx *r)
1011 {
1012         WERROR werr;
1013
1014         if (!W_ERROR_IS_OK(r->out.result)) {
1015                 return r->out.result;
1016         }
1017
1018         if (!r->in.modify_config) {
1019                 return WERR_OK;
1020         }
1021
1022         werr = do_unjoin_modify_vals_config(r);
1023         if (!W_ERROR_IS_OK(werr)) {
1024                 return werr;
1025         }
1026
1027         r->out.modified_config = true;
1028         r->out.result = werr;
1029
1030         return werr;
1031 }
1032
1033 /****************************************************************
1034 ****************************************************************/
1035
1036 static WERROR libnet_join_pre_processing(TALLOC_CTX *mem_ctx,
1037                                          struct libnet_JoinCtx *r)
1038 {
1039
1040         if (!r->in.domain_name) {
1041                 return WERR_INVALID_PARAM;
1042         }
1043
1044         if (r->in.modify_config && !lp_config_backend_is_registry()) {
1045                 return WERR_NOT_SUPPORTED;
1046         }
1047
1048         if (IS_DC) {
1049                 return WERR_SETUP_DOMAIN_CONTROLLER;
1050         }
1051
1052         if (!secrets_init()) {
1053                 libnet_join_set_error_string(mem_ctx, r,
1054                         "Unable to open secrets database");
1055                 return WERR_CAN_NOT_COMPLETE;
1056         }
1057
1058         return WERR_OK;
1059 }
1060
1061 /****************************************************************
1062 ****************************************************************/
1063
1064 static WERROR libnet_join_post_processing(TALLOC_CTX *mem_ctx,
1065                                           struct libnet_JoinCtx *r)
1066 {
1067         WERROR werr;
1068
1069         if (!W_ERROR_IS_OK(r->out.result)) {
1070                 return r->out.result;
1071         }
1072
1073         werr = do_JoinConfig(r);
1074         if (!W_ERROR_IS_OK(werr)) {
1075                 return werr;
1076         }
1077
1078         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1079                 saf_store(r->in.domain_name, r->in.dc_name);
1080         }
1081
1082         return WERR_OK;
1083 }
1084
1085 /****************************************************************
1086 ****************************************************************/
1087
1088 static int libnet_destroy_JoinCtx(struct libnet_JoinCtx *r)
1089 {
1090         if (r->in.ads) {
1091                 ads_destroy(&r->in.ads);
1092         }
1093
1094         return 0;
1095 }
1096
1097 /****************************************************************
1098 ****************************************************************/
1099
1100 static int libnet_destroy_UnjoinCtx(struct libnet_UnjoinCtx *r)
1101 {
1102         if (r->in.ads) {
1103                 ads_destroy(&r->in.ads);
1104         }
1105
1106         return 0;
1107 }
1108
1109 /****************************************************************
1110 ****************************************************************/
1111
1112 WERROR libnet_init_JoinCtx(TALLOC_CTX *mem_ctx,
1113                            struct libnet_JoinCtx **r)
1114 {
1115         struct libnet_JoinCtx *ctx;
1116
1117         ctx = talloc_zero(mem_ctx, struct libnet_JoinCtx);
1118         if (!ctx) {
1119                 return WERR_NOMEM;
1120         }
1121
1122         talloc_set_destructor(ctx, libnet_destroy_JoinCtx);
1123
1124         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1125         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1126
1127         *r = ctx;
1128
1129         return WERR_OK;
1130 }
1131
1132 /****************************************************************
1133 ****************************************************************/
1134
1135 WERROR libnet_init_UnjoinCtx(TALLOC_CTX *mem_ctx,
1136                              struct libnet_UnjoinCtx **r)
1137 {
1138         struct libnet_UnjoinCtx *ctx;
1139
1140         ctx = talloc_zero(mem_ctx, struct libnet_UnjoinCtx);
1141         if (!ctx) {
1142                 return WERR_NOMEM;
1143         }
1144
1145         talloc_set_destructor(ctx, libnet_destroy_UnjoinCtx);
1146
1147         ctx->in.machine_name = talloc_strdup(mem_ctx, global_myname());
1148         W_ERROR_HAVE_NO_MEMORY(ctx->in.machine_name);
1149
1150         *r = ctx;
1151
1152         return WERR_OK;
1153 }
1154
1155 /****************************************************************
1156 ****************************************************************/
1157
1158 static WERROR libnet_DomainJoin(TALLOC_CTX *mem_ctx,
1159                                 struct libnet_JoinCtx *r)
1160 {
1161         NTSTATUS status;
1162 #ifdef WITH_ADS
1163         ADS_STATUS ads_status;
1164 #endif /* WITH_ADS */
1165
1166         if (!r->in.dc_name) {
1167                 struct DS_DOMAIN_CONTROLLER_INFO *info;
1168                 status = dsgetdcname(mem_ctx,
1169                                      NULL,
1170                                      r->in.domain_name,
1171                                      NULL,
1172                                      NULL,
1173                                      DS_DIRECTORY_SERVICE_REQUIRED |
1174                                      DS_WRITABLE_REQUIRED |
1175                                      DS_RETURN_DNS_NAME,
1176                                      &info);
1177                 if (!NT_STATUS_IS_OK(status)) {
1178                         libnet_join_set_error_string(mem_ctx, r,
1179                                 "failed to find DC for domain %s",
1180                                 r->in.domain_name,
1181                                 get_friendly_nt_error_msg(status));
1182                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1183                 }
1184
1185                 r->in.dc_name = talloc_strdup(mem_ctx,
1186                                               info->domain_controller_name);
1187                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1188         }
1189
1190 #ifdef WITH_ADS
1191         if (r->in.account_ou) {
1192
1193                 ads_status = libnet_join_connect_ads(mem_ctx, r);
1194                 if (!ADS_ERR_OK(ads_status)) {
1195                         return WERR_DEFAULT_JOIN_REQUIRED;
1196                 }
1197
1198                 ads_status = libnet_join_precreate_machine_acct(mem_ctx, r);
1199                 if (!ADS_ERR_OK(ads_status)) {
1200                         libnet_join_set_error_string(mem_ctx, r,
1201                                 "failed to precreate account in ou %s: %s",
1202                                 r->in.account_ou,
1203                                 ads_errstr(ads_status));
1204                         return WERR_DEFAULT_JOIN_REQUIRED;
1205                 }
1206
1207                 r->in.join_flags &= ~WKSSVC_JOIN_FLAGS_ACCOUNT_CREATE;
1208         }
1209 #endif /* WITH_ADS */
1210
1211         status = libnet_join_joindomain_rpc(mem_ctx, r);
1212         if (!NT_STATUS_IS_OK(status)) {
1213                 libnet_join_set_error_string(mem_ctx, r,
1214                         "failed to join domain over rpc: %s",
1215                         get_friendly_nt_error_msg(status));
1216                 if (NT_STATUS_EQUAL(status, NT_STATUS_USER_EXISTS)) {
1217                         return WERR_SETUP_ALREADY_JOINED;
1218                 }
1219                 return ntstatus_to_werror(status);
1220         }
1221
1222         if (!libnet_join_joindomain_store_secrets(mem_ctx, r)) {
1223                 return WERR_SETUP_NOT_JOINED;
1224         }
1225
1226 #ifdef WITH_ADS
1227         if (r->out.domain_is_ad) {
1228                 ads_status  = libnet_join_post_processing_ads(mem_ctx, r);
1229                 if (!ADS_ERR_OK(ads_status)) {
1230                         return WERR_GENERAL_FAILURE;
1231                 }
1232         }
1233 #endif /* WITH_ADS */
1234
1235         return WERR_OK;
1236 }
1237
1238 /****************************************************************
1239 ****************************************************************/
1240
1241 WERROR libnet_Join(TALLOC_CTX *mem_ctx,
1242                    struct libnet_JoinCtx *r)
1243 {
1244         WERROR werr;
1245
1246         if (r->in.debug) {
1247                 LIBNET_JOIN_IN_DUMP_CTX(mem_ctx, r);
1248         }
1249
1250         werr = libnet_join_pre_processing(mem_ctx, r);
1251         if (!W_ERROR_IS_OK(werr)) {
1252                 goto done;
1253         }
1254
1255         if (r->in.join_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1256                 werr = libnet_DomainJoin(mem_ctx, r);
1257                 if (!W_ERROR_IS_OK(werr)) {
1258                         goto done;
1259                 }
1260         }
1261
1262         werr = libnet_join_post_processing(mem_ctx, r);
1263         if (!W_ERROR_IS_OK(werr)) {
1264                 goto done;
1265         }
1266  done:
1267         r->out.result = werr;
1268
1269         if (r->in.debug) {
1270                 LIBNET_JOIN_OUT_DUMP_CTX(mem_ctx, r);
1271         }
1272         return werr;
1273 }
1274
1275 /****************************************************************
1276 ****************************************************************/
1277
1278 static WERROR libnet_DomainUnjoin(TALLOC_CTX *mem_ctx,
1279                                   struct libnet_UnjoinCtx *r)
1280 {
1281         NTSTATUS status;
1282
1283         if (!r->in.domain_sid) {
1284                 struct dom_sid sid;
1285                 if (!secrets_fetch_domain_sid(lp_workgroup(), &sid)) {
1286                         libnet_unjoin_set_error_string(mem_ctx, r,
1287                                 "Unable to fetch domain sid: are we joined?");
1288                         return WERR_SETUP_NOT_JOINED;
1289                 }
1290                 r->in.domain_sid = sid_dup_talloc(mem_ctx, &sid);
1291                 W_ERROR_HAVE_NO_MEMORY(r->in.domain_sid);
1292         }
1293
1294         if (!r->in.dc_name) {
1295                 struct DS_DOMAIN_CONTROLLER_INFO *info;
1296                 status = dsgetdcname(mem_ctx,
1297                                      NULL,
1298                                      r->in.domain_name,
1299                                      NULL,
1300                                      NULL,
1301                                      DS_DIRECTORY_SERVICE_REQUIRED |
1302                                      DS_WRITABLE_REQUIRED |
1303                                      DS_RETURN_DNS_NAME,
1304                                      &info);
1305                 if (!NT_STATUS_IS_OK(status)) {
1306                         libnet_unjoin_set_error_string(mem_ctx, r,
1307                                 "failed to find DC for domain %s",
1308                                 r->in.domain_name,
1309                                 get_friendly_nt_error_msg(status));
1310                         return WERR_DOMAIN_CONTROLLER_NOT_FOUND;
1311                 }
1312
1313                 r->in.dc_name = talloc_strdup(mem_ctx,
1314                                               info->domain_controller_name);
1315                 W_ERROR_HAVE_NO_MEMORY(r->in.dc_name);
1316         }
1317
1318         status = libnet_join_unjoindomain_rpc(mem_ctx, r);
1319         if (!NT_STATUS_IS_OK(status)) {
1320                 libnet_unjoin_set_error_string(mem_ctx, r,
1321                         "failed to disable machine account via rpc: %s",
1322                         get_friendly_nt_error_msg(status));
1323                 if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1324                         return WERR_SETUP_NOT_JOINED;
1325                 }
1326                 return ntstatus_to_werror(status);
1327         }
1328
1329 #ifdef WITH_ADS
1330         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_ACCOUNT_DELETE) {
1331                 ADS_STATUS ads_status;
1332                 libnet_unjoin_connect_ads(mem_ctx, r);
1333                 ads_status = libnet_unjoin_remove_machine_acct(mem_ctx, r);
1334                 if (!ADS_ERR_OK(ads_status)) {
1335                         libnet_unjoin_set_error_string(mem_ctx, r,
1336                                 "failed to remove machine account from AD: %s",
1337                                 ads_errstr(ads_status));
1338                 }
1339         }
1340 #endif /* WITH_ADS */
1341
1342         libnet_join_unjoindomain_remove_secrets(mem_ctx, r);
1343
1344         return WERR_OK;
1345 }
1346
1347 /****************************************************************
1348 ****************************************************************/
1349
1350 static WERROR libnet_unjoin_pre_processing(TALLOC_CTX *mem_ctx,
1351                                            struct libnet_UnjoinCtx *r)
1352 {
1353         if (r->in.modify_config && !lp_config_backend_is_registry()) {
1354                 return WERR_NOT_SUPPORTED;
1355         }
1356
1357         if (!secrets_init()) {
1358                 libnet_unjoin_set_error_string(mem_ctx, r,
1359                         "Unable to open secrets database");
1360                 return WERR_CAN_NOT_COMPLETE;
1361         }
1362
1363         return WERR_OK;
1364 }
1365
1366
1367 /****************************************************************
1368 ****************************************************************/
1369
1370 WERROR libnet_Unjoin(TALLOC_CTX *mem_ctx,
1371                      struct libnet_UnjoinCtx *r)
1372 {
1373         WERROR werr;
1374
1375         if (r->in.debug) {
1376                 LIBNET_UNJOIN_IN_DUMP_CTX(mem_ctx, r);
1377         }
1378
1379         werr = libnet_unjoin_pre_processing(mem_ctx, r);
1380         if (!W_ERROR_IS_OK(werr)) {
1381                 goto done;
1382         }
1383
1384         if (r->in.unjoin_flags & WKSSVC_JOIN_FLAGS_JOIN_TYPE) {
1385                 werr = libnet_DomainUnjoin(mem_ctx, r);
1386                 if (!W_ERROR_IS_OK(werr)) {
1387                         goto done;
1388                 }
1389         }
1390
1391         werr = do_UnjoinConfig(r);
1392         if (!W_ERROR_IS_OK(werr)) {
1393                 goto done;
1394         }
1395
1396  done:
1397         r->out.result = werr;
1398
1399         if (r->in.debug) {
1400                 LIBNET_UNJOIN_OUT_DUMP_CTX(mem_ctx, r);
1401         }
1402
1403         return werr;
1404 }